package com.atguigu.gulimall.ware.config;

import com.rabbitmq.client.Channel;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.amqp.rabbit.connection.CorrelationData;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.amqp.support.converter.MessageConverter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import javax.annotation.PostConstruct;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

@Configuration
@Slf4j
public class RabbitConfig {

    @Autowired
    RabbitTemplate rabbitTemplate;

    @Bean
    public MessageConverter messageConverter() {
        return new Jackson2JsonMessageConverter();
    }

    //rabbit没有容器中的mq组件，rabbitmq就会自动创建
    @Bean
    public Queue stockDelayQueue() {
        Map<String, Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange", "stock-event-exchange");
        arguments.put("x-dead-letter-routing-key", "stock.release.stock.queue");
        arguments.put("x-message-ttl", 120000);
        return new Queue("stock.delay.queue", true, false, false,arguments);
    }


    @Bean
    public Queue stockReleaseOrderQueue() {
        return new Queue("stock.release.stock.queue", true, false, false,null);
    }

    @Bean
    public Exchange stockEventExchange() {
        return new TopicExchange("stock-event-exchange", true, false);
    }

    @Bean
    public Binding stockLockedBinding() {
        return new Binding("stock.delay.queue", Binding.DestinationType.QUEUE, "stock-event-exchange", "stock.locked",null);
    }

    @Bean
    public Binding stockReleaseBinding() {
        return new Binding("stock.release.stock.queue", Binding.DestinationType.QUEUE, "stock-event-exchange", "stock.release.#",null);
    }

//    @PostConstruct
//    public void initRabbitTemplate() {
//        rabbitTemplate.setConfirmCallback(new RabbitTemplate.ConfirmCallback() {
//            @Override
//            public void confirm(CorrelationData correlationData, boolean b, String s) {
//               log.info("消息唯一id:{}, 是否投递成功：{}", correlationData, b);
//            }
//        });
//
//        rabbitTemplate.setReturnCallback(new RabbitTemplate.ReturnCallback() {
//            @Override
//            public void returnedMessage(Message message, int i, String s, String s1, String s2) {
//                log.error("消息投递失败：{}, 失败原因是：{}", message, s);
//            }
//        });
//    }
}
